Transcription of UNIT 22: PROGRAMMABLE LOGIC CONTROLLERS …
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UNIT 22: PROGRAMMABLE LOGIC CONTROLLERS …
1 unit 22: PROGRAMMABLE LOGIC CONTROLLERS unit code: A/601/1625 QCF level: 4 Credit value: 15 TUTORIAL OUTCOME 2 Part 1 This work covers part of outcome 2 of the Edexcel standard module. The material is quite suitable for anyone wishing to study this interesting subject. This tutorial requires basic mathematical skills and a reasonable knowledge of digital electronic terminology. An industrial background will also be of great benefit to students. Obviously, access to suitable computer software such as Pneusim Pro or Bytronics simulation software will be a great help. SYLLABUS 2 Understand PLC information and communication techniques Forms of signal: analogue (0-10 V dc.)
D.J.Dunn www.freestudy.co.uk 5 2.3 CONVERSION TO/FROM BINARY Whereas Decimal seems to have no connection with Binary, from this table we can see that Octal
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